blue green watercolor background abstract painting art texture with stained pattern and teal turquoise gradient colors

background blue green watercolor texture paper paint water canvas grey fog stain ocean distressed stormy pattern grimy template sky vintage banner design textured website bright gradient web turquoise abstract backdrop old stained colours teal sea painting wavy marbled marble parchment light header art dark painted cloudy layout grunge vibrant tropical nature color backgrounds smoke element descriptive wallpaper splatter paintbrush natural digital colour liquid changing craft blurred dynamic wave artsy colorful cloud splash blots colored painterly watercolour summer aquamarine